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Dictionary.java
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Dictionary.java
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import java.net.URL;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Collection;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
final class Dictionary {
private static final String EXTENSION = ".dic";
public static final String[] NAMES = {
"名詞・一般",
"名詞・サ変接続",
"名詞・ナイ形容詞語幹",
"名詞・形容動詞語幹",
"動詞・自立・サ変・－スル",
"動詞・自立・サ変・－ズル",
"動詞・自立・一段",
"動詞・自立・五段・カ行イ音便",
"動詞・自立・五段・カ行促音便",
"動詞・自立・五段・カ行促音便ユク",
"動詞・自立・五段・ガ行",
"動詞・自立・五段・サ行",
"動詞・自立・五段・タ行",
"動詞・自立・五段・ナ行",
"動詞・自立・五段・バ行",
"動詞・自立・五段・マ行",
"動詞・自立・五段・ラ行",
"動詞・自立・五段・ワ行ウ音便",
"動詞・自立・五段・ワ行促音便",
"動詞・非自立・一段",
"動詞・非自立・五段・カ行イ音便",
"動詞・非自立・五段・サ行",
"動詞・非自立・五段・マ行",
"動詞・非自立・五段・ラ行",
"動詞・非自立・五段・ラ行特殊",
"動詞・非自立・五段・ワ行促音便",
"形容詞・アウオ段",
"形容詞・イ段",
"副詞・一般",
"副詞・助詞類接続",
"連体詞",
"ユーザー定義",
};
// 名詞
public static final int MASK_NOUM_NONE = 0x00000001; // 一般
public static final int MASK_NOUM_SURU = 0x00000002; // サ変接続
public static final int MASK_NOUM_NAI = 0x00000004; // ナイ形容詞語幹
public static final int MASK_NOUM_DA = 0x00000008; // 形容動詞語幹
public static final int MASK_NOUM = MASK_NOUM_NONE
| MASK_NOUM_SURU
| MASK_NOUM_NAI
| MASK_NOUM_DA;
// 動詞
public static final int MASK_VERB_INDEPENDENT_SURU = 0x00000010; // 自立・サ変・－スル
public static final int MASK_VERB_INDEPENDENT_ZURU = 0x00000020; // 自立・サ変・－ズル
public static final int MASK_VERB_INDEPENDENT_1 = 0x00000040; // 自立・一段
public static final int MASK_VERB_INDEPENDENT_5Ki = 0x00000080; // 自立・五段・カ行イ音便
public static final int MASK_VERB_INDEPENDENT_5K_ = 0x00000100; // 自立・五段・カ行促音便
public static final int MASK_VERB_INDEPENDENT_5Ky = 0x00000200; // 自立・五段・カ行促音便ユク
public static final int MASK_VERB_INDEPENDENT_5G = 0x00000400; // 自立・五段・ガ行
public static final int MASK_VERB_INDEPENDENT_5S = 0x00000800; // 自立・五段・サ行
public static final int MASK_VERB_INDEPENDENT_5T = 0x00001000; // 自立・五段・タ行
public static final int MASK_VERB_INDEPENDENT_5N = 0x00002000; // 自立・五段・ナ行
public static final int MASK_VERB_INDEPENDENT_5B = 0x00004000; // 自立・五段・バ行
public static final int MASK_VERB_INDEPENDENT_5M = 0x00008000; // 自立・五段・マ行
public static final int MASK_VERB_INDEPENDENT_5R = 0x00010000; // 自立・五段・ラ行
public static final int MASK_VERB_INDEPENDENT_5Wu = 0x00020000; // 自立・五段・ワ行ウ音便
public static final int MASK_VERB_INDEPENDENT_5W_ = 0x00040000; // 自立・五段・ワ行促音便
public static final int MASK_VERB_INDEPENDENT = MASK_VERB_INDEPENDENT_SURU
| MASK_VERB_INDEPENDENT_ZURU
| MASK_VERB_INDEPENDENT_1
| MASK_VERB_INDEPENDENT_5Ki
| MASK_VERB_INDEPENDENT_5K_
| MASK_VERB_INDEPENDENT_5Ky
| MASK_VERB_INDEPENDENT_5G
| MASK_VERB_INDEPENDENT_5S
| MASK_VERB_INDEPENDENT_5T
| MASK_VERB_INDEPENDENT_5N
| MASK_VERB_INDEPENDENT_5B
| MASK_VERB_INDEPENDENT_5M
| MASK_VERB_INDEPENDENT_5R
| MASK_VERB_INDEPENDENT_5Wu
| MASK_VERB_INDEPENDENT_5W_;
public static final int MASK_VERB_DEPENDENT_1 = 0x00080000; // 非自立・一段
public static final int MASK_VERB_DEPENDENT_5Ki = 0x00100000; // 非自立・五段・カ行イ音便
public static final int MASK_VERB_DEPENDENT_5S = 0x00200000; // 非自立・五段・サ行
public static final int MASK_VERB_DEPENDENT_5M = 0x00400000; // 非自立・五段・マ行
public static final int MASK_VERB_DEPENDENT_5R = 0x00800000; // 非自立・五段・ラ行
public static final int MASK_VERB_DEPENDENT_5Rx = 0x01000000; // 非自立・五段・ラ行特殊
public static final int MASK_VERB_DEPENDENT_5W_ = 0x02000000; // 非自立・五段・ワ行促音便
public static final int MASK_VERB_DEPENDENT = MASK_VERB_DEPENDENT_1
| MASK_VERB_DEPENDENT_5Ki
| MASK_VERB_DEPENDENT_5S
| MASK_VERB_DEPENDENT_5M
| MASK_VERB_DEPENDENT_5R
| MASK_VERB_DEPENDENT_5Rx
| MASK_VERB_DEPENDENT_5W_;
public static final int MASK_VERB = MASK_VERB_INDEPENDENT | MASK_VERB_DEPENDENT;
// 形容詞
public static final int MASK_ADJECTIVE_AUO = 0x04000000; // 形容詞・アウオ段
public static final int MASK_ADJECTIVE_I = 0x08000000; // 形容詞・イ段
public static final int MASK_ADJECTIVE = MASK_ADJECTIVE_AUO | MASK_ADJECTIVE_I;
// 副詞
public static final int MASK_ADVERB_NONE = 0x10000000; // 副詞・一般
public static final int MASK_ADVERB_PARTICLE = 0x20000000; // 副詞・助詞類接続
public static final int MASK_ADVERB = MASK_ADVERB_NONE | MASK_ADVERB_PARTICLE;
// 連体詞
public static final int MASK_ADNOMINAL = 0x40000000;
// ユーザー定義
public static final int MASK_USER = 0x80000000;
// 全て
public static final int MASK_ALL = MASK_NOUM
| MASK_VERB
| MASK_ADJECTIVE
| MASK_ADVERB
| MASK_ADNOMINAL
| MASK_USER;
private final Word[] words;
private final Trie head;
private Dictionary(final Word[] words) {
this.words = words;
Arrays.sort(words);
this.head = new Trie.Builder().build(words);
}
public static final class Builder {
public Dictionary build() {
final List<Word> words = new ArrayList<Word>();
for (int i = 0, size = Dictionary.NAMES.length; i < size; ++i) {
final URL dictionary = Dictionary.class.getResource("dic/" + Dictionary.NAMES[i] + Dictionary.EXTENSION);
final Map<String, String> map = new HashMap<String, String>();
try {
final BufferedReader in = new BufferedReader(new InputStreamReader(dictionary.openStream()));
try {
String line;
for (int ln = 1; (line = in.readLine()) != null; ++ln) {
line = line.trim();
if (line.isEmpty()) {
continue;
}
final String[] entry = line.split("\\s");
if (entry.length != 2) {
System.err.printf("%s(%d): %s\n", dictionary.getFile(), ln, line);
continue;
}
final String kana = entry[0];
final String kanji = entry[1];
{
final String value = map.get(kana);
if (value == null) {
map.put(kana, kanji);
} else {
map.put(kana, value + "、" + kanji);
}
}
}
} catch (final IOException e) {
} finally {
in.close();
}
} catch (final FileNotFoundException e) {
System.err.printf("辞書ファイルを開けませんでした: %s\n", dictionary.getFile());
} catch (final IOException e) {
// in.close() で例外が生じても無視する。
} finally {
final int feature = 1 << i;
for (final Map.Entry<String, String> e : map.entrySet()) {
words.add(new Word(feature, e.getKey(), e.getValue()));
}
}
}
return new Dictionary(words.toArray(new Word[words.size()]));
}
}
public Word[] match(final Mora[] query) {
final Word[] words = head.match(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distance(query) - w2.distance(query);
}
});
return words;
}
public Word[] matchPrefix(final Mora[] query) {
final Word[] words = head.matchHead(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distanceHead(query) - w2.distanceHead(query);
}
});
return words;
}
public Word[] matchPostfix(final Mora[] query) {
final Word[] words = head.matchTail(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distanceTail(query) - w2.distanceTail(query);
}
});
return words;
}
public Word[] matchInternal(final Mora[] query) {
final List<Word> list = new ArrayList<Word>();
for (final Word word : words) {
if (word.matchInternal(query)) {
list.add(word);
}
}
return list.toArray(new Word[list.size()]);
}
}